- Server now rejects max payload settings higher than max pending and warns when above 8 MB (future enforcement).
- Fixed JetStream deadlock on message removal and multiple consumer bugs causing incorrect pending counts and sequence selection.
- Improved leafnode behavior with same domain/shared system account to act like a flat JetStream network and refined clustered Filestore consumer stores.
Release v2.3.4
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Added Leafnodes support with a configurable dial timeout option for high‑latency links
Upgrade to Go 1.25.12 and bump critical dependencies (klauspost/compress v1.19.2, golang.org/x/crypto v0.55.0).
Decoupled Raft transport and increased disk concurrency (now configurable) with several JetStream performance and memory optimizations;